MAX1968EUI+

Highly integrated and cost effective, high-efficiency, switch mode driver for Peltier thermoelectric cooler (TEC) module. It is suitable for use in fibre optic laser modules, WDM, DWDM laser diode temperature control, fibre optic network equipment, EDFA optical amplifiers, telecom fibre interfaces, ATE and biotech lab equipment applications.

• High accuracy and adjustability improves system performance by optimizing TEC operation
• Direct current control prevents TEC current surges
• Ripple cancellation for low noise
• No dead-zone or hunting at low-output current
• 1% Accurate voltage reference and adjustable TEC voltage limit
• Separately adjustable heating and cooling current limits
• ITEC output provide proportional voltage to TEC current for monitoring
• High-efficiency switch-mode design
• On-chip power MOSFETs improve efficiency while reducing external components

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